Process analysis is a form of
technical writing and
expository writing
The rhetorical modes (also known as modes of discourse) are a broad traditional classification of the major kinds of formal and academic writing (including speech-writing) by their rhetorical (persuasive) purpose: narration, description, expo ...
"designed to convey to the reader how a change takes place through a series of stages".
While the traditional process analysis and a set of
instructions are both organized chronologically, the reader of a process analysis is typically interested in understanding the chronological components of a system that operates largely without the reader's direct actions (such as how the body digests an apple), while the reader of a set of instructions intends to use the instructions in order to accomplish a specific, limited task (such as how to bake an apple pie). By contrast, the reader of a
mechanism description is more interested in an object in space (such as the form and nutritional value of a particular kind of apple).
References
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See also
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Process mining
Technical communication